org.apache.flink.examples.java.clustering

Class KMeans.CentroidAverager

java.lang.Object

org.apache.flink.examples.java.clustering.KMeans.CentroidAverager

All Implemented Interfaces:

Serializable, Function, MapFunction<Tuple3<Integer,KMeans.Point,Long>,KMeans.Centroid>

Enclosing class:

KMeans

public static final class KMeans.CentroidAverager
extends Object
implements MapFunction<Tuple3<Integer,KMeans.Point,Long>,KMeans.Centroid>

Computes new centroid from coordinate sum and count of points.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
CentroidAverager()

Method Summary

Modifier and Type	Method and Description
KMeans.Centroid	map(Tuple3<Integer,KMeans.Point,Long> value) The mapping method.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CentroidAverager

public CentroidAverager()

Method Detail

map

public KMeans.Centroid map(Tuple3<Integer,KMeans.Point,Long> value)

Description copied from interface: MapFunction

The mapping method. Takes an element from the input data set and transforms it into exactly one element.

Specified by:

map in interface MapFunction<Tuple3<Integer,KMeans.Point,Long>,KMeans.Centroid>

Parameters:

value - The input value.

Returns:

The transformed value